Wilwood’s Cast Stainless Caliper Pistons are the standard that all other manufacturers are judged on. Cast construction add extra rigidity to prevent “oil canning” and stainless steel offers low conduction for minimal heat transfer. Engineered from high strength proprietary alloy and with a bright machine finish.

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MANLEY Piston, 4.060 in. Bore Size, -1.5cc Flat Top, HEMI 6.1, Each

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